Home / 57,031,278.70-85,483,932.45-31,490,617.90

Finding the Fourth Proportional to 57,031,278.70, 85,483,932.45 and 31,490,617.90

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Solution

The fourth proportional to 57,031,278.70, 85,483,932.45 and 31,490,617.90 is: 47,201,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,278.70 : 85,483,932.45 = 31,490,617.90 : x
  2. Step 2: Convert to fraction form
    57,031,278.70/85,483,932.45 = 31,490,617.90/x
  3. Step 3: Cross multiply
    57,031,278.70x = 85,483,932.45 × 31,490,617.90
  4. Step 4: Simplify right side
    57,031,278.70x = 2,691,941,853,372,361
  5. Step 5: Solve for x
    x = 2,691,941,853,372,361/57,031,278.70
  6. Step 6: Final answer
    x = 47,201,148.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.